AI is easy to demo and powerful when used well.
Much of the frustration with AI in engineering comes from a category error: treating a probabilistic system like a human teammate with shared context, judgment, and accountability. When that assumption breaks, workflows become brittle and trust erodes.
Used correctly, however, AI delivers real, compounding leverage. It is not a replacement for judgment, it is a force multiplier inside tight constraints.
What Engineer-Grade AI Requires
Engineers evaluate tools the same way they evaluate systems:
- Reproducibility: Can results be repeated or bounded?
- Observability: When it fails, can you tell why?
- Failure modes: Does it fail loudly or silently?
- Scope control: Can you clearly limit what it can touch?
Most AI tools are optimized for generalness, not these properties. The opportunity, and the upside, comes from engineers closing that gap deliberately.
Where AI Actually Works
AI delivers value when it is embedded inside strong test and validation infrastructure.
Tests are what turn a probabilistic system into a reproducible one. They bound behavior, surface failures early, and convert "looks right" into something you can trust.
In practice, this means test infrastructure directly enforces the properties above:
- Reproducibility: repository comprehension and refactors become repeatable because tests define what "correct" means
- Observability: failures surface immediately in CI instead of hiding behind plausible output
- Failure modes: mechanical refactors and bootstrapping fail fast rather than degrading systems silently
- Scope control: design synthesis produces reviewable artifacts without touching production state
These are the scenarios where AI compounds fastest: narrow problem spaces where automated checks are authoritative and humans remain the final arbiters.
The leverage does not come from AI being right. It comes from tests making it safe to be wrong, and that allows for faster, agentic iteration.
Where AI Still Needs Guardrails
Even in strong workflows, there are failure patterns worth actively designing around:
- Confident but wrong output
- Changes that violate hidden system invariants
- Context degradation over long tasks
- Output velocity that outpaces review capacity
The goal is not to eliminate these risks, but to keep validation cheaper than the work itself. This is where leverage stays positive.
The Right Mental Model
AI is not a teammate. That is a feature, not a limitation.
It is closer to a powerful shell script:
- Use it early, not at the end
- Keep tasks bounded
- Assume mistakes
- Review everything
This boundary is what allows AI to stay powerful instead of exhausting.
What This Site Is About
markagate.com is about engineering leverage in practice, not hype.
You can expect writing on:
- AI systems and agent tooling
- Automation with real failure analysis
- Engineering decision-making and tradeoffs
Engineering is the art of making powerful things safe. AI just raises the stakes.
Mark Agate is a flight controls engineer focused on agentic systems, automation, and building test-driven workflows that make powerful tools safe to operate.